kernel/tools/testing/selftests/bpf/progs/test_sk_assign.c, branch linux-6.2.y

selftests/bpf: Remove unused variable from bpf_sk_assign test

2022-04-01T20:35:29Z

Was never used in bpf_sk_assign_test(), and was removed from handle_{tcp,udp}() in commit 0b9ad56b1ea6 ("selftests/bpf: Use SOCKMAP for server sockets in bpf_sk_assign test"). Fixes: 0b9ad56b1ea6 ("selftests/bpf: Use SOCKMAP for server sockets in bpf_sk_assign test") Signed-off-by: Eyal Birger Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20220329154914.3718658-1-eyal.birger@gmail.com

selftests/bpf: Switch SEC("classifier*") usage to a strict SEC("tc")

2021-09-28T20:51:19Z

Convert all SEC("classifier*") uses to a new and strict SEC("tc") section name. In reference_tracking selftests switch from ambiguous searching by program title (section name) to non-ambiguous searching by name in some selftests, getting closer to completely removing bpf_object__find_program_by_title(). Signed-off-by: Andrii Nakryiko Signed-off-by: Alexei Starovoitov Link: https://lore.kernel.org/bpf/20210928161946.2512801-4-andrii@kernel.org

selftests/bpf: Use SOCKMAP for server sockets in bpf_sk_assign test

2020-04-29T21:31:00Z

Update bpf_sk_assign test to fetch the server socket from SOCKMAP, now that map lookup from BPF in SOCKMAP is enabled. This way the test TC BPF program doesn't need to know what address server socket is bound to. Signed-off-by: Jakub Sitnicki Signed-off-by: Daniel Borkmann Acked-by: John Fastabend Link: https://lore.kernel.org/bpf/20200429181154.479310-4-jakub@cloudflare.com

selftests: bpf: Extend sk_assign tests for UDP

2020-03-30T20:45:05Z

Add support for testing UDP sk_assign to the existing tests. Signed-off-by: Joe Stringer Signed-off-by: Alexei Starovoitov Acked-by: Lorenz Bauer Acked-by: Martin KaFai Lau Link: https://lore.kernel.org/bpf/20200329225342.16317-6-joe@wand.net.nz

selftests: bpf: Add test for sk_assign

2020-03-30T20:45:05Z

Attach a tc direct-action classifier to lo in a fresh network namespace, and rewrite all connection attempts to localhost:4321 to localhost:1234 (for port tests) and connections to unreachable IPv4/IPv6 IPs to the local socket (for address tests). Includes implementations for both TCP and UDP. Keep in mind that both client to server and server to client traffic passes the classifier. Signed-off-by: Lorenz Bauer Signed-off-by: Joe Stringer Signed-off-by: Alexei Starovoitov Acked-by: Martin KaFai Lau Link: https://lore.kernel.org/bpf/20200329225342.16317-5-joe@wand.net.nz Co-authored-by: Joe Stringer